NTSB investigations
36 cases where NTSB found Equipment manufacture.
Cases per year
| 2008 | 2 |
|---|---|
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1 WHERE c.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '04013010')) ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '04013010')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN25LA117Accident · No injuriesClass 3 · LimitedFinal reportVans RV-7A · Plainview, TXThe improper machining of the propeller blade bearing seat, which resulted in an inflight propeller blade fatigue failure. Contributing to the accident was the improper machining of the propeller hub and propeller blade root and machining surface quality…NTSB CEN25LA043Accident · No injuriesClass 3 · LimitedFinal reportPitts S1E · Seguin, TXThe improper construction of the rudder cable assembly by the airplane builder, which resulted in the fatigue failure of the left rudder cable during the landing roll and the pilot’s subsequent inability to maintain directional control.NTSB ERA24LA392Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28 · LaGrange, GAImproper manufacture of a cylinder exhaust valve guide by the engine manufacturer, which resulted in a stuck exhaust valve and a partial loss of engine power during initial climb.NTSB CEN24FA218Accident · 1 fatalClass 3 · FieldFinal reportCessna 172 · Gainesville, TXThe fuel pump manufacturer’s improper torquing of screws on the engine-driven fuel pump, which resulted in a disruption in the fuel system and a loss of engine power on initial climb.NTSB CEN24LA121Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Watertown, SDThe stuck No. 2 cylinder exhaust valve, which resulted in a partial loss of engine power and a forced landing due to an undersized exhaust valve guide. Contributing to the accident were the improper manufacture of the engine cylinders, and the operation of…NTSB ERA24LA066Accident · Serious injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 40 NG · Asheville, NCFatigue failure of the No. 4 inner main bearing cap screw and connecting rod bolts, which resulted in a total loss of engine power. Contributing to the failure were the low material strength of the inner main bearing cap screw and the increased loads on the…NTSB WPR24FA053Accident · 1 fatalClass 3 · FieldFinal reportBeauchamp Norm Kitfox · Eloy, AZThe separation of a propeller blade during the initial climb due to insufficient blade retention forces. Contributing to the accident was the propeller blade retention design, manufacturing defects that prevented the propeller from achieving adequate grip…NTSB ENG24FA003Incident · No injuriesClass 3 · FieldFinal reportBoeing 767-300F · Memphis, TNA high-pressure fuel leak from a gap in the bolted flange interface between the main fuel pump’s fuel crossover supply tube and the hydromechanical unit idler adapter pad, which resulted in the crossover tube flange bolts partially pulling out and allowing…NTSB WPR23LA270Accident · No injuriesClass 3 · LimitedFinal reportSling Sling LSA · Palm Springs, CAFailure of the landing gear strut during takeoff due to a preexisting cracks that were caused by a manufacturing anomaly during the composite fiber layup process.NTSB ERA23LA293Accident · Minor injuriesClass 3 · LimitedFinal reportHughes 369D · Waldorf, MDFatigue failure of the overrunning clutch outer race and a subsequent inflight loss of power due to abnormal bending loads as a result of improper reassembly of the clutch subassembly following maintenance and the presence of microcracks on the clutch’s outer…NTSB WPR22LA357Accident · No injuriesClass 3 · LimitedFinal reportVashon Ranger R7 · Glendale, AZFailure of the landing gear due to material deficiencies that reduced the strength of the landing gear.NTSB CEN22LA430Accident · No injuriesClass 3 · LimitedFinal reportAgusta AW139 · Houma, LAThe inflight loss of collective control of the helicopter due to thermal damage of a collective control torque tube that abraded with misrouted electrical wiring, which resulted in an electrical short and inflight fire. Contributing to the accident were the…NTSB ENG21LA011Incident · No injuriesClass 3 · LimitedFinal reportCessna 501 · Opa Locka, FLAn uncontained left engine failure caused by a low cycle fatigue crack that originated from a manufacturing machining groove on the high pressure compressor impeller aft face. Contributing to the incident was service bulletin borescope inspection criteria…NTSB ENG19IA008IncidentClass 3 · IncidentFinal reportAirbus A220 · Busan, South KoreaThe manufacturer’s inadequate cleaning of the crucible before melting the nickel alloy used in casting the low pressure turbine stage 3 blades that resulted in a casting anomaly from where an intergranular crack occurred became the origin of a fatigue crack…NTSB ANC18LA018Accident · No injuriesClass 2 · LimitedFinal reportCostruzioni Aeronautiche Tecna P2006 · Lynchburg, VAThe failure of the left main landing gear assembly due to a fatigue fracture along the inside circumferential weld on the trailing arm’s attachment flange, which resulted from the manufacturer’s inadequate welding of the trailing arm connecting the lower arm…NTSB ANC18LA008Accident · No injuriesLimited investigationFinal reportCloud Jeffrey Ferrell Long EZ · Eufaula, ALThe in-flight separation of a portion of the propeller, which subsequently penetrated the right rudder, as a result of the failure of the bond line between two of the propeller’s wood layers. Contributing to the failure of the propeller was the manufacturer’s…NTSB DCA17FA021Accident · Serious injuriesClass 1 · FieldFinal reportBoeing 767 · Chicago, ILThe failure of the high-pressure turbine (HPT) stage 2 disk, which severed the main engine fuel feed line and breached the right main wing fuel tank, releasing fuel that resulted in a fire on the right side of the airplane during the takeoff roll. The HPT…NTSB CEN16LA401Accident · No injuriesLimited investigationFinal reportAgustawestland Philadelphia AW139 · Galliano, LAThe fatigue failure of a tail rotor blade erosion shield extension, which resulted in in-flight damage to a main rotor blade.NTSB CEN15LA238Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Omega, OKImproper base metal preparation or contamination of the No. 5 cylinder wall before it was coated, which resulted in the coating peeling off of the cylinder wall and contaminating the engine oil and the subsequent partial loss of engine power.NTSB CEN15FA126Accident · 2 fatalField investigationFinal reportEnstrom 280FX · Erie, COAn in-flight failure of the helicopter's #2 main rotor spindle due to undetected fatigue cracking, which resulted in an in-flight breakup. Contributing to failure were the nonconforming thread root radius of the spindle and the manufacturer's failure to…NTSB ENG14IA028Incident · No injuriesIncident investigationFinal reportAirbus A320 232 · Long Beach, CAThe probable cause of the engine failure and subsequent undercowl engine fire was due to the fatigue fracture of a high pressure turbine stage 2 disk blade retaining lug that released two blades which impacted the low pressure turbine case causing a fuel line…NTSB ERA14LA202Accident · No injuriesLimited investigationFinal reportOconnor Paul A Ultimate Aero 10-200 · Saint Albans, VTThe propeller blade’s failure due to fatigue cracks that initiated from pitch change pin attachment holes that had been drilled too deep during manufacture.NTSB CEN13LA225Accident · Minor injuriesLimited investigationFinal reportAtkins ACRO-SPORT I · Midland, LAThe failure of the left elevator torque tube due to poor quality welds by the manufacturer, which resulted in the loss of pitch control.NTSB WPR13IA144Incident · No injuriesIncident investigationFinal reportBombardier DHC-8-402 · Danville, CAThe failure and separation of a section of the No. 2 engine's combustion chamber's small exit duct (SED), which created an airflow disruption that led to an engine surge and subsequent fire. Contributing to the accident was the insufficient weld penetration…NTSB CEN13IA024Incident · No injuriesIncident investigationFinal reportFlight Design Ctls · Elyria, OHThe manufacturing defects in the main landing gear leg, which resulted in its eventual failure.NTSB CEN12LA676Accident · No injuriesLimited investigationFinal reportFlight Design Ctls · Elyria, OHThe pilot’s misjudged landing flare, which resulted in a hard landing.NTSB ENG12IA004Incident · No injuriesIncident investigationFinal reportBombardier CL600 2C10 · Atlanta, GAThe Start Operability Bleed Valve (OBV) fuel return adapter-fitting fractured and separated in cyclic fatigue, which allowed fuel to spill onto a hot engine case that ignited the undercowl fire. The OBV fuel adapter-fitting was dropped and the damage reduced…NTSB ERA12FA023Accident · Minor injuriesField investigationFinal reportSocata TBM 700 · Hollywood, FLThe pilot’s failure to terminate the flight after observing multiple conflicting errors associated with the inaccurate right fuel quantity indication. Contributing to the accident were the total loss of engine power due to fuel starvation from the right tank,…NTSB ENG11IA032Incident · No injuriesIncident investigationFinal reportDehavilland DHC-6-300 · Peach Springs, AZA quality control failure in the Sungear, Inc. manufacturing and quality control process allowed sungears with surface finishes of the root fillet radius of the spline that did not conform to the drawing specifications to be released. The surface finish…NTSB WPR11FA158Accident · No injuriesField investigationFinal reportCessna 208B · Bakersfield, CAThe malfunction of a master brake cylinder, which resulted in a loss of braking action and subsequent loss of directional control and collision with three vehicles during taxi. Contributing to the accident was the inappropriate design and manufacture of the…NTSB DCA11IA015Incident · No injuriesClass 1 · IncidentFinal reportBoeing 757-223 · Jackson Hole, WYa manufacturing defect in a clutch mechanism that prevented the speedbrakes from automatically deploying after touchdown, and the captain’s failure to monitor and extend the speedbrakes manually. Also causal was the failure of the thrust reversers to deploy…NTSB DCA11FA004Accident · No injuriesField investigationFinal reportBoeing 757-223 · Miami, FLFatigue failure of the fuselage crown skin due to incorrect manufacturing of the crown skin panel that resulted in a skin thickness less than the manufacturer-specified thickness.NTSB ERA10FA409Accident · 1 fatalField investigationFinal reportPiper PA-32R-301 · Washington, GAThe manufacturer's inadequate quality control and improper manufacture of the fuel servo diaphragm assembly, which resulted in fatigue cracking of the hub stud and subsequent loss of engine power due to fuel starvation.NTSB ERA10LA370Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · New Bern, NCInadequate quality control at the fuel servo overhaul facility, which resulted in contamination of the fuel servo and a subsequent loss of engine power due to fuel starvation.NTSB SEA08IA217Incident · No injuriesIncident investigationFinal reportDiamond DA 40 · San Carlos, CAThe improper assembly of the governor during manufacture.NTSB DEN08FA140Accident · Serious injuriesField investigationFinal reportAircraft Mfg & Dev. CH601XLi · Farmersville, TXThe inadvertent tail stall and subsequent loss of airplane control as a result of the open canopy. Contributing to the accident was the inadequate emergency procedures provided by the airplane manufacturer and the inadequate design of the canopy latching…